QT 鼠标拖动窗口的实现

.h文件内

private:

       

/* 鼠标拖动窗口 */

    void mouseMoveEvent(QMouseEvent *event);

    void mousePressEvent(QMouseEvent *event);

    /* 记录窗口当前的位置 */

    QPoint StartPos;

    .cpp 文件内：

void MyMainWindow::mouseMoveEvent(QMouseEvent *event)

{

    //去表格虚框

    QPoint EndPos;

    if(event->buttons()==Qt::LeftButton)

    {

    EndPos = event->globalPos()- StartPos;

    this->move(EndPos);

    }

}

void MyMainWindow::mousePressEvent(QMouseEvent *event)

{

    if(event->buttons() == Qt::LeftButton)

    {

    //记录窗口此时的坐标

    StartPos = event->globalPos() - this->frameGeometry().topLeft();

    }

}